Inventor

LEI SHAWMIN

US57 patents

⚠️ This page may combine multiple inventors who share the name “LEI SHAWMIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LEI SHAWMIN

SHARP LAB OF AMERICA INC

Adaptive filtering based upon boundary strength

System and method for three-dimensional video coding

Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding

Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding

Distortion-adaptive visual frequency weighting

Method for removing ringing artifacts from locations near dominant edges of an image reconstructed after compression

Methods and systems for efficient prediction-mode selection

Methods and systems for automatic digital image enhancement

Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding

Wavelet domain motion compensation system

Method and apparatus for motion vector coding with global motion parameters

Method and apparatus for compressing reference frames in an interframe video codec

Robust codebooks for vector quantization

System and method for determining representative frames of video captured by a video camera

Intra-frame flicker reduction in video coding

Methods and systems for automatic digital image enhancement with local adjustment

Method for removing ringing artifacts from locations near dominant edges of an image reconstructed after compression

Method for non-uniform quantization in a resolution hierarchy by transmission of break points of a nonlinearity

Distortion-adaptive visual frequency weighting

Image compression using a color visual model

DOLBY LABORATORIES LICENSING CORP

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

SHARP KK

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding

SUN SHIJUN

Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding

Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding

Adaptive filtering based upon boundary strength

Adaptive filtering based upon boundary strength

SHARP LAB OF AMERICA

Digital watermarking in a perceptually uniform domain

Adaptive image filtering based on a distance transform

Image coding method using visual optimization

Method and system for removing color bleeding artifacts by filtering the chrominance plane of decompressed images

LEI SHAWMIN

Methods and systems for low-complexity data compression

DPCM with adaptive range and PCM escape mode

SEGALL CHRISTOPHER A

Methods and systems for tone mapping messaging

DOLBY LAB LICENSING CORP

Adaptive filtering based upon boundary strength

OH BYUNG TAE

Methods and systems for processing film grain noise